Baseball helmet coffee maker



FIG. 1 is a front view of a baseball helmet coffee maker, showing my new design;

FIG. 2 is back view thereof;

FIG. 3 is left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines are included for the purpose of illustrating environment and form no part of the claimed design. 

The ornamental design for a baseball helmet coffee maker, as shown and described. 